19339268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 19779196

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 131, 167, 221, 262, 334, 442, 524, 668, 884, 1703, 2171, 2227, 2839, 3406, 4342, 4454, 5678, 6812, 8684, 8908, 11356, 21877, 28951, 36907, 43754, 57902, 73814, 87508, 115804, 147628, 284401, 371909, 568802, 743818, 1137604, 1487636, 4834817, 9669634, 19339268]

約数ペア:

[(1, 19339268), (2, 9669634), (4, 4834817), (13, 1487636), (17, 1137604), (26, 743818), (34, 568802), (52, 371909), (68, 284401), (131, 147628), (167, 115804), (221, 87508), (262, 73814), (334, 57902), (442, 43754), (524, 36907), (668, 28951), (884, 21877), (1703, 11356), (2171, 8908), (2227, 8684), (2839, 6812), (3406, 5678), (4342, 4454)]